Data cleaning : a practical perspective /

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Data warehouses consolidate various activities of a business and often form the backbone for generating reports that support important business decisions. Errors in data tend to creep in for a variety of reasons. Some of these reasons include errors during input data collection and errors while merg...

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Bibliografiska uppgifter
Huvudupphovsmän: Ganti, Venkatesh (Författare, medförfattare), Das Sarma, Anish (Författare, medförfattare)
Materialtyp: E-bok
Språk:English
Publicerad: San Rafael, California (1537 Fourth Street, San Rafael, CA 94901 USA) : Morgan & Claypool, 2013.
Serie:Synthesis digital library of engineering and computer science.
Synthesis lectures on data management ; # 36.
Ämnen:
Data warehousing > Quality control.
Database management.
Electronic data processing > Data preparation.
blocking
clustering
constrained deduplication
cosine similarity
data cleaning
data cleaning scripts
data standardization
deduplication
edit distance
edit similarity
ETL
ETL data flows
jaccard similarity
parsing
record matching
schema matching
segmentation
set similarity join
soundex
string similarity functions
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